440400399999 has 16 divisors (see below), whose sum is σ = 706406657280. Its totient is φ = 238412246400.

The previous prime is 440400399991. The next prime is 440400400021. The reversal of 440400399999 is 999993004044.

It is not a de Polignac number, because 440400399999 - 2³ = 440400399991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440400399991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551879802 + ... + 551880599.

It is an arithmetic number, because the mean of its divisors is an integer number (44150416080).

Almost surely, 2^440400399999 is an apocalyptic number.

440400399999 is a deficient number, since it is larger than the sum of its proper divisors (266006257281).

440400399999 is a wasteful number, since it uses less digits than its factorization.

440400399999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103760430.

The product of its (nonzero) digits is 11337408, while the sum is 60.

The spelling of 440400399999 in words is "four hundred forty billion, four hundred million, three hundred ninety-nine thousand, nine hundred ninety-nine".